Finding the Fourth Proportional to 61,198,028.16, 84,455,351.60 and 33,321,819.48
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Solution
The fourth proportional to 61,198,028.16, 84,455,351.60 and 33,321,819.48 is: 45,985,239.47
Step by Step Solution
- Step 1: Write the proportion equation
61,198,028.16 : 84,455,351.60 = 33,321,819.48 : x - Step 2: Convert to fraction form
61,198,028.16/84,455,351.60 = 33,321,819.48/x - Step 3: Cross multiply
61,198,028.16x = 84,455,351.60 × 33,321,819.48 - Step 4: Simplify right side
61,198,028.16x = 2,814,205,980,135,129 - Step 5: Solve for x
x = 2,814,205,980,135,129/61,198,028.16 - Step 6: Final answer
x = 45,985,239.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.